<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <link rel="stylesheet" href="./css/basic.css" />
    <style>
      .container_row {
        display: flex;
        flex-direction: row;
        /* justify-content: center; */
        justify-content: space-between;
        /* 两端对齐 */
        /* justify-content: space-around; */
        /* 左右距离相等 */
        /* justify-content: space-evenly; */
        /* 均分 */
        flex-wrap: wrap;
      }
      .row_item {
        width: 10vw;
        height: 100px;
        background-color: pink;
        text-align: center;
        margin: 20px 10px;
      }
      .container_row :nth-child(6) {
        flex: 1;
      }
      .row_item:nth-child(1) {
        flex: 1;
      }
    </style>
  </head>
  <body>
    <div class="container_row">
      <div class="row_item">1</div>
      <div class="row_item">2</div>
      <div class="row_item">3</div>
      <div class="row_item">4</div>
      <div class="row_item">5</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
      <div class="row_item">6</div>
    </div>
  </body>
</html>
